Bright white rocks spotted by NASA’s Perseverance rover are rewriting what we thought we knew about ancient Mars. These aluminum-rich clays, called kaolinite, usually form on Earth only after millions ...
The Red Planet may have once been half blue. A sea the size of Earth’s Arctic Ocean blanketed part of Mars about three billion years ago, researchers suggest in a study published January 7 in the ...
Scientists have long suspected that Mars was once teeming with water, a tropical oasis with vast river systems that may have been able to support life billions of years ago. To get a better picture of ...
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